| 发明名称 |
SELF-POWERED OPTICAL DETECTOR FOR MECHANICAL GAUGE INSTRUMENTS |
| 摘要 |
An embodiment of the present invention includes a display device including a mechanical indicator, a reference photodetector, a measurement photodetector, and an opaque shroud. The opaque shroud is connected to the mechanical indicator to variably cover the measurement photodetector based on a position of the mechanical indicator. The opaque shroud does not cover the reference photodetector. |
| 申请公布号 |
US2014239151(A1) |
申请公布日期 |
2014.08.28 |
| 申请号 |
US201313773773 |
申请日期 |
2013.02.22 |
| 申请人 |
ROSEMOUNT INC. |
发明人 |
Schumacher Mark Stephen |
| 分类号 |
G01D5/26 |
主分类号 |
G01D5/26 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A display device comprising:
a mechanical indicator, a reference photodetector; a measurement photodetector; and an opaque shroud connected to the mechanical indicator to variably cover the measurement photodetector based on a position of the mechanical indicator; the opaque shroud not covering the reference photodetector. |
| 地址 |
Chanhassen MN US |
